Find the surface area of each rectangular prism below

Answer:

90-26=64

64 is the value of x

Step-by-step explanation:

We can see here that adding the needed phrases, we have:

A sentence is a grammatical unit of language that typically consists of one or more words conveying a complete thought or expressing a statement, question, command, or exclamation.

It is the basic building block of communication and serves as a means of expressing ideas, conveying information, or initiating a conversation.

Continuation:

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(a) The cost of 1 kg of turnips is £71.95, and

(b) The cost of 1 kg of mushrooms is £89.50.

To solve this problem, let's assign variables to the unknowns.

Let the cost of 1 kg of mushrooms be 'm' and the cost of 1 kg of turnips be 't'.

According to the given information:

Equation 1: 2m + 2.5t = 8.55

Equation 2: 3m + 4t = 13.10

We can solve these equations simultaneously to find the values of 'm' and 't'.

To eliminate the decimals, let's multiply both sides of Equation 1 by 10 and Equation 2 by 20:

20m + 25t = 85.50

60m + 80t = 262.00

Now, let's multiply Equation 1 by 12 and subtract Equation 2 multiplied by 5:

240m + 300t - (60m + 80t) = 1026.00 - 1310.00

180m + 220t = -284.00

We have a new equation:

180m + 220t = -284.00 ---(3)

Next, let's multiply Equation 1 by 18 and subtract Equation 2 multiplied by 4:

36m + 45t - (60m + 80t) = 154.35 - 524.00

-24m - 35t = -369.65

We have another new equation:

-24m - 35t = -369.65 ---(4)

Now, we have a system of linear equations with two variables. Let's solve this system by eliminating one variable.

Multiply Equation 3 by 35 and Equation 4 by 220:

6300m + 7700t = -9940.00 ---(5)

-5280m - 7700t = -81323.00 ---(6)

Adding Equations 5 and 6, we eliminate 't':

1020m = -91263.00

m = -91263.00/1020

m = -89.50

Substituting the value of 'm' back into Equation 3:

180(-89.50) + 220t = -284.00

-16110 + 220t = -284.00

220t = -284.00 + 16110

220t = 15826.00

t = 15826.00/220

t = 71.95.

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By solving the equation, we conclude that Jada scored approximately 26 points in the video game.

What is equation?

An equation is a mathematical statement that indicates the equality of two expressions. It consists of mathematical symbols, variables, constants, and mathematical operations such as addition, subtraction, multiplication, division, and exponentiation.

To find out how many points Jada scored, we need to divide James' score by the factor by which James outscored Jada.

Given that James scored 182 points and he scored 7 times as many points as Jada, we can set up the following equation:

James' score = Jada's score * 7

182 = Jada's score * 7

To find Jada's score, we can divide both sides of the equation by 7:

182 / 7 = Jada's score

Jada's score ≈ 26

Therefore, Jada scored approximately 26 points in the video game.

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It takes approximately 35.35 seconds to fill the glass 50%. Rounded to two decimal places, the answer is 35.35 seconds.

The volume of the cylindrical glass can be calculated as:

V = πr²h

where r is the radius (half of the diameter), h is the height, and π is the mathematical constant π (approximately 3.14).

Since the diameter is 3 inches, the radius is 1.5 inches. The height is 10 inches. Therefore, the volume of the glass is:

V = π(1.5)²(10) ≈ 70.69 cubic inches

To fill the glass 50%, we need half of the volume:

V/2 ≈ 35.35 cubic inches

The faucet dispenses water at a rate of 1 cubic inch per second, so the time it takes to fill the glass 50% is:

t = (V/2) / (1 cubic inch per second) ≈ 35.35 seconds

Therefore, it takes approximately 35.35 seconds to fill the glass 50%. Rounded to two decimal places, the answer is 35.35 seconds.

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The type of variable for,

a. The number of counties in California: Quantitative discrete.

b. The stages of childhood: Qualitative ordinal.

c. In the scenario above, 23 minutes is a statistic, because 28 students is a sample.

d. Between 6 minutes and 8 minutes: Approximately 68% of the athlete's mile times are expected to be between 6 and 8 minutes, according to the empirical rule.

e. Between 4 minutes and 7 minutes: Approximately 68% of the athlete's mile times are expected to be between 4 and 10 minutes, according to the empirical rule.

f. Less than 9 minutes: Approximately 84% of the athlete's mile times are expected to be less than 9 minutes, according to the empirical rule.

In statistics, variables can be categorized into two types: qualitative and quantitative.

Qualitative variables describe characteristics or qualities that cannot be measured numerically, such as gender or hair color.

Quantitative variables, on the other hand, represent numerical values that can be measured or counted.

There are two types of quantitative variables: continuous and discrete. Continuous variables can take any numerical value within a range, such as age or weight.

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iPad mini is a cuboid we can consider

Volume

\(\\ \rm\Rrightarrow LBH\)

\(\\ \rm\Rrightarrow 7.9\times 5.3\times 0.3\)

\(\\ \rm\Rrightarrow 12.561in^3\)

Answer:

Solution given:

L=5.30 in

B= 0.30 in

H=7.9 in

Volume =L*B*H=5.30*0.30*7.9=12.561in³

Therefore, The computation of the estimated coefficient (b) divided by its estimated standard error (SEb) is called the t-statistic.

I understand that you want a concise explanation with the main answer in the last two lines. The term you're looking for is the calculation that involves dividing the estimated coefficient (b) by its estimated standard error (SEb). This computation is used in statistical analysis to determine the significance of a variable in a regression model.
In a regression analysis, the coefficient represents the slope of the line, showing the relationship between the independent and dependent variables. The standard error of the coefficient (SEb) is an estimate of the variability of the coefficient. By dividing b by SEb, we get a statistic that helps us assess the precision and significance of the estimated coefficient.
Therefore, The computation of the estimated coefficient (b) divided by its estimated standard error (SEb) is called the t-statistic.

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Answer:

(x-24)(x-1)

Step-by-step explanation:

common sense + practice

kinda did it in my head

Setting the widths of divs within a div to equal 90% of the page allows each div to take up 90% of its parent div's width, while setting just one div to be 90% of the page causes that div to take up 90% of the width of the entire webpage.

The difference between setting the widths of the divs that are within a div to equal 90% of the page and setting just one div to be 90% of the page is the way the divs will be displayed on the webpage.

When you set the widths of the divs that are within a div to equal 90% of the page, each individual div will take up 90% of the width of its parent div. This means that if you have multiple divs within the parent div, they will each take up 90% of the available space, but will still be contained within the boundaries of the parent div.

On the other hand, when you set just one div to be 90% of the page, that div will take up 90% of the width of the entire webpage, not just its parent div. This means that the div will expand to take up most of the available space, potentially pushing other elements on the webpage to the side.

In summary, setting the widths of divs within a div to equal 90% of the page allows each div to take up 90% of its parent div's width, while setting just one div to be 90% of the page causes that div to take up 90% of the width of the entire webpage.

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Triangle ABC is similar to triangle ADE by AA test of similarity

Similarity is a property which says that the respective angles of two triangles are of equal measure and corresponding sides are in proportion.

here, we have,

There are different types of similarity test by which we can prove the similarity of triangles.

We are given that BC is parallel to Line DE

As the lines are parallel the respective angle are corresponding angles

hence Angle D = Angle B

And Angle E = Angle C

And both triangle have angle A as common angle

By AA test of similarity we can say that the two triangles are similar

Hence by AA test similarity the two triangles are similar

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Answer: 35

Step-by-step explanation:

Answer:

4a + 4b = 10

6a + 6b = 12

Step-by-step explanation:

Putting the equation in a system of linear equation :

We donate, apples and oranges using any preffered letter or alphabet

Let :

Apples = a ; oranges = b

4 apples and 4 oranges equals $10

4a + 4b = 10

6 Apples and 6 oranges equals $12

6a + 6b = 12

Hence, the system of linear equation :

4a + 4b = 10

6a + 6b = 12

Answer:

No Solution

Step-by-step explanation:

It would require different amounts of dollars to fulfill eah equation.

The missing word is "modulus". The statement should read: Twelve is congruent to 60 (modulus 8) because both 12 and 60 have 4 as a remainder when divided by 8.

The modulus function, also known as the modulo operation or mod function, is a mathematical operation that returns the remainder when one integer is divided by another. The modulo operation is a quick and efficient way to find the remainder of a division. For example, if we want to know the remainder when 23 is divided by 5, we can simply compute 23 % 5, which equals 3. The symbol "%" is often used to represent the modulo operation in computer programming, while "mod" is used in mathematical notation to indicate congruence. In either case, the statement means that 12 and 60 leave the same remainder when divided by 8.

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Answer:

She could divide 8 by 2, thus providing the length of just ONE pen: about four paper clips long.

Step-by-step explanation:

The sequence for the number of miles that Amanda will run in the first 10 weeks of her training is

2, 1, 5, 0, 8, 3, 11, 5, 14, 7

What is a sequence?

A sequence is an enumerated collection of objects in which repetitions are allowed. Like a set, it contains members (also called elements, or terms).

To find the sequence for the number of miles that Amanda will run in the first 10 weeks of her training, we need to first identify the pattern of increasing and decreasing miles she will run each week.

According to the given information, Amanda will start by running 2 miles in the first week.

In the second week, she will run one fewer mile, so she will run 2 - 1 = 1 mile. In the third week, she will run three more miles than she did in the first week, so she will run 2+3=5 miles.

In the fourth week, she will run two fewer miles than she did in the second week, so she will run 1 - 2 = -1 mile.

However, it doesn't make sense for Amanda to run a negative number of miles, so we can assume that she will take a rest week during the fourth week and not run any miles.

Then, she will resume her pattern of increasing and decreasing miles in the following weeks.

Therefore, we can write the sequence for the number of miles that Amanda will run in the first 10 weeks of her training as follows:

2, 1, 5, 0, 8, 3, 11, 5, 14, 7

To obtain this sequence, we applied the given pattern of running one fewer mile in the second week, followed by three more miles in the third week, and then repeating this pattern. We also accounted for the rest week during the fourth week by inserting a 0 in the sequence.

Hence, the sequence for the number of miles that Amanda will run in the first 10 weeks of her training is

2, 1, 5, 0, 8, 3, 11, 5, 14, 7

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The area to the right of z = -1 for the standard normal distribution is approximately 0.8413.

a. To find the area to the right of z = -1 for the standard normal distribution, we need to calculate the cumulative probability using the standard normal distribution table or a statistical calculator.

From the standard normal distribution table, the area to the left of z = -1 is 0.1587. Since we want the area to the right of z = -1, we subtract the left area from 1:

Area to the right of z = -1 = 1 - 0.1587 = 0.8413

Therefore, the area to the right of z = -1 for the standard normal distribution is approximately 0.8413.

b. To answer this question, we would need additional information about the mean and standard deviation of the annual salaries for first-year college graduates. Without this information, we cannot calculate specific probabilities or make any statistical inferences.

If we are provided with the mean (μ) and standard deviation (σ) of the annual salaries for first-year college graduates, we could use the properties of the normal distribution to calculate probabilities or make statistical conclusions. Please provide the necessary information, and I would be happy to assist you further.

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The Answer:the answer is D

Step-by-step explanation:

Sizing handles are the small squares that appear in the corners and in the middle of the sides of the border of a selected object.

When you select an object in various graphic design or image editing software applications, such as Microsoft Word, Adobe Photoshop, or Sketch, a border or bounding box is usually displayed around the object to indicate that it is selected.

This border helps you manipulate or modify the object in different ways, such as resizing, rotating, or moving it.

The handles are small squares or circles that appear along the border of the selected object.

They are positioned at the corners and in the middle of the sides.

These handles act as control points that allow you to interact with the object and make adjustments to its size or proportions.

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The expression 3y^2 + 2 - 8y is equivalent to 4(3/4y-2+1/2y). To find expressions that are equivalent to 4(3/4y-2+1/2y), we can use the distributive property of multiplication over addition/subtraction. This means that we can multiply the 4 to each term inside the parentheses.

4(3/4y-2+1/2y) = (4*3/4y) - (4*2) + (4*1/2y)

Simplifying each term, we get:

= 3y - 8 + 2y

= 5y - 8

Therefore, the expression 5y - 8 is equivalent to 4(3/4y-2+1/2y).

Another way to approach this problem is to first simplify the expression inside the parentheses before multiplying by 4. We can do this by finding a common denominator for 3/4y and 1/2y, which is 4.

3/4y can be rewritten as 3y/4 and 1/2y can be rewritten as 2/4y.

Now, we can add the fractions with the same denominator:

3y/4 - 2 + 2/4y

Simplifying further, we get:

= 3y/4 + 2/4y - 2

= (3y^2 + 2 - 8y)/4y

Multiplying by 4, we get:

= (3y^2 + 2 - 8y)

Therefore, the expression 3y^2 + 2 - 8y is equivalent to 4(3/4y-2+1/2y).

In summary, there are two expressions that are equivalent to 4(3/4y-2+1/2y): 5y - 8 and 3y^2 + 2 - 8y.

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The expression 3y^2 + 2 - 8y is equivalent to 4(3/4y-2+1/2y). To find expressions that are equivalent to 4(3/4y-2+1/2y), we can use the distributive property of multiplication over addition/subtraction. This means that we can multiply the 4 to each term inside the parentheses.

4(3/4y-2+1/2y) = (4*3/4y) - (4*2) + (4*1/2y)

Simplifying each term, we get:

= 3y - 8 + 2y

= 5y - 8

Therefore, the expression 5y - 8 is equivalent to 4(3/4y-2+1/2y).

Another way to approach this problem is to first simplify the expression inside the parentheses before multiplying by 4. We can do this by finding a common denominator for 3/4y and 1/2y, which is 4.

3/4y can be rewritten as 3y/4 and 1/2y can be rewritten as 2/4y.

Now, we can add the fractions with the same denominator:

3y/4 - 2 + 2/4y

Simplifying further, we get:

= 3y/4 + 2/4y - 2

= (3y^2 + 2 - 8y)/4y

Multiplying by 4, we get:

= (3y^2 + 2 - 8y)

Therefore, the expression 3y^2 + 2 - 8y is equivalent to 4(3/4y-2+1/2y).

In summary, there are two expressions that are equivalent to 4(3/4y-2+1/2y): 5y - 8 and 3y^2 + 2 - 8y.

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Answer:

0.02

Step-by-step explanation:

2.4%=0.024

1/4=0.25

0.020

Answer:

0.02 would be the smallest

Step-by-step explanation:

If you convert all of them into fractions then 0.02 would be 1/50, and 2.4% would be 2 2/5 and 1/4 would be 1/40 or you could convert them all into percentages and get 2%, 2.4% and,  25% and the smallest percent would be 2% which is 0.02

The coordinates of the vertices after a reflection over the line x = 2.

D = (8, 5)

E = (6, 5)

F = (4, 8)

G = (7, 8)

There are two ways of translation.

Along x-axis:

(x, y) – (x, -y)

Along y-axis:

(x, y) - (-x, y)

We have,

The coordinates:

D = (-4, 5)

E = (-2, 5)

F = (0, 8)

G = (3, 8)

The line x = 2.

We count the units from the line x = 2.

After the reflection, the number of units of each coordinate from the line

x = 2 must be equal to the number of units from the line x = 2 before the reflection.

Thus,

The reflected coordinates of the vertices are:

D = (8, 5)

E = (6, 5)

F = (4, 8)

G = (7, 8)

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Angle BCF = 38 degrees

Angle BED = 79 degrees

Angle BDE = 63 degrees

Angle B = 79 degrees

Angle C = 79 degrees

Angle ACF = 38 degrees

Angle F = 104 degrees.

We have,

As ED//BC,

We can say that angle EDB = angle BCF = 38 degrees.

Also, in rhombus ABCF, angles BCF and CAF are equal,

So CAF = 38 degrees.

In triangle BED,

We have angle BED = 79 degrees and angle EDB = 38 degrees.

Angle BDE = 180 - (79 + 38) = 63 degrees.

In triangle BDE,

We also has angle B = angle EBD = 180 - (63 + 38) = 79 degrees.

In trapezium BCDE,

Angles B and C are equal, so angle C = 79 degrees.

Finally, in rhombus ABCF, angles CAF and ACF are equal,

So ACF = 38 degrees.

Therefore,

Angles A and C of triangle ACF equal 38 degrees each, and angle F is:

= 180 - (38 + 38)

= 104 degrees.

Thus,

angle BCF = 38 degrees

angle BED = 79 degrees

angle BDE = 63 degrees

angle B = 79 degrees

angle C = 79 degrees

angle ACF = 38 degrees

angle F = 104 degrees.

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The complete question.

In the figure, ABCF is a rhombus and BCDE is a trapezium. ED//BC, BCF=38 degrees, and BED= 79 degrees.

Find the following:

Angle BCF

Angle BED

Angle BDE

Angle B

Angle C

Angle ACF

Angle F

\(g(f(x))=(x-7)^3=x^3 - 21 x^2 + 147 x - 343\)

Answer:

a + c = 29

10a + 6c = 222

Step-by-step explanation:

Admission for each adult costs $10. Admission for each child costs $6.

A group of 29 people attended the zoo.

The total admission fees paid by the group was $222.

Answer:

$222=a x $10 + c x$6

Step-by-step explanation:

I don't think the question is complete though